CBDH Online Practice Questions and Answers

Relationship is created using the symbol:

A. _>

B. o

C. >>

D. -->

What is the advantage of the REST server?

A. Simplicity of front end applications

B. Visibility into transactions

C. Simplicity of front end applications

D. All of the above

Exhibit.

Based on the code snippet displayed: transfer . stock.owner = transfer .nevrOwner;

A. This line sets the new owner of the stock

B. This line updates the ledger on the blockchain

C. This line updates the world state database

D. None of the above

Concepts, like other resources, can be instantiated

A. TRUE

B. FALSE

Model defines the representation of

A. Assets

B. Participants

C. Transactions

D. Events

E. All of the above

Hyperledger Fabric Consensus is planned out into 3 phases. (Select three.)

A. Validation

B. Scheduling

C. Ordering

D. Endorsement

E. Processing

F. Batching

What is a web-based tool allows developers to learn Hyperledger Composer, model out their business network (domain), test that network, and deploy that network to a live instance of a blockchain network?

A. Hyperledger Composer Runtime

B. Hyperledger Composer Playground

C. Hyperledger Explorer

D. Hyperledger Quilt

What is the process of turning cipher-text back into plaintext called?

A. Packing

B. Encryption

C. Decryption

D. Hashing

Chaincode Services uses___________________ to host (deploy) the chaincode. What does Chaincode services in Hyperledger use?

A. Virtual Machines

B. Kubernetes

C. Deployment Manager

D. Yaml

E. Docker

What must implement every chaincode?

A. Golang

B. Chaincode Interface

C. Java

D. Linux APIs